Solve the problem.In a 1-mile race, the winner crosses the finish line 10 feet ahead of the second-place runner and 30 feet ahead of the third-place runner. Assuming that each runner maintains a constant speed throughout the race, by how many feet does the second-place runner beat the third-place runner? (5280 feet in 1 mile.)

A. -20.11 ft
B. 10.02 ft
C. -10.06 ft
D. 20.04 ft


Answer: D

Mathematics

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Solve the problem.The volume of wood in a tree varies jointly as the height of the tree and the square of the distance around the tree trunk. If the volume of wood is  when the height is  and the distance around the trunk is  what is the volume of wood obtained from a tree that is  tall having a measurement of 

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Mathematics